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来源	题目内容
Ready4	<p>If $\frac{27}{0.5 + y} = 6$ , then $y =$ p>
Ready4	<p>If $2^n$ is a divisor of $1{,}680$ and $2^m$ is not a divisor of $1{,}680$ , where $m=n+1$ , what is the value of $n$ ?p>
Ready4	<p>A total number of paperclips can be divided into 24 smaller piles of an equal number of clips each or 30 smaller piles of an equal number of clips each. What is the lowest possible total number of paperclips?p>
Ready4	<p>p> <p>A stairway is formed by stacking even blocks next to and on top of each other. If the stairway depicted above is 5 blocks in length and 4 blocks in height, with a thin step at the beginning that does not require a block, and the stairway is only 1 block in width, how many blocks will be required to build such a stairway 20 blocks in length?p>
Ready4	<p>At 3:00 pm, a car has driven 30 miles east. It will continue to drive east at 0.8 minutes per mile and then turn around and drive at 0.8 minutes per mile back to its original starting point. How far can it drive before turning around in order to arrive back to its original starting point by 3:40 pm?p>
Ready4	<p>Company X bought a shipment of light bulbs at $3 per bulb, paid $1,200 to store and ship the bulbs, and later sold the bulbs for $13 per bulb. The gross profit earned from these sales is the total income from sales minus the total cost. If a batch contained 1,500 light bulbs, then Company X's gross profit per bulb isp>
Ready4	<p>p> <p>In the figure above, AC passes through the center of the square ABCD, and CE is perpendicular to AC. What is the minimum number of degrees the square must be rotated so that BC will be parallel to EC?p>
Ready4	<p>p> <p>In the figure above, EF is a diameter of the circle with center O and is perpendicular at each end to the trapezoid ABCD. If the area of the circle is $225 π$ , the length of AD is 20 and the length of BC is 10, what is the area of the ABCD?p>
Ready4	<p>On Wednesday, a restaurant sold a quantity of wine in 6 ounce servings, and on Thursday, it sold the same total quantity of wine in 4 ounce servings. If the price on Wednesday was $9.00 per glass, and the revenue on Thursday was $\frac{3}{4}$ that of the revenue on Wednesday, what was the price per glass of the wine on Thursday?p>
Ready4	<p>If $3 < y < 150$ , for how many values of y is the square root of y twice a prime number?p>
Ready4	<p>Chris' average (arithmetic mean) daily expenses were $500 per day over a 15-day trip. During this period, if Chris' average daily expenses were $450 for the first 5 days, what were the average daily expenses for the last 10 days?p>
Ready4	<p>If money is invested at r percent interest, compounded annually, the amount of the investment will double in approximately $\frac{70}{r}$ years. If Chris invests $1,000 in a bond that pays 4 percent interest, compounded annually, what will be the approximate total amount of the investment 35 years later?p>
Ready4	<p>The number of cars present at a particular time was measured at 3,999 different locations on Tuesday and on Wednesday. The number of locations that had more cars on Wednesday was 15% higher than the number of locations that had more cars on Tuesday. How many of the locations had more cars on Tuesday?p>
Ready4	<p>How many of the integers that satisfy the inequality $(y+1)(y+2)(y+4) \geq 0$ are less than $4$ ?p>
Ready4	<p>p> <p>In the figure above, if ABCD is a parallelogram, then x =p>
Ready4	<p>A store received a shipment of a particular item at the beginning of the week.p> <p>p> <p> $\frac{1}{2}$ of the items sold the first day,p> <p> $\frac{1}{3}$ of the items sold the second day, andp> <p> $\frac{1}{8}$ of the items sold the third day.p> <p>p> <p>There are 7 units remaining from the shipment. How many total items were in the shipment?p>
Ready4	<p>If $\frac{1}{1 + \frac{1}{x}} = 2$ , then $x =$ p>
Ready4	<p>The sum of the prime numbers that are greater than 50 but less than 60 isp>
Ready4	<p>What is the 30th digit to the right of the decimal point in the decimal form of $\frac{3}{11}$ ?p>
Ready4	<p>What is the difference between the twelfth and eleventh terms of the sequence 0, 0, 1, 4, 11 ... whose $n$ th term is $2^{n-1}-n$ ?p>